There is a program called pdfMachine from http://www.broadgun.com/pdfmachine/index.htm
The price is US$50 and there is an evaluation version that will also let you produce pdf files from any document including AutoCAD. Once installed it puts a Windows System Printer on your PC and if you choose...
I have written an Autolisp routine that produces 3D surfaces from 3D entities (from cones etc.) and then "unfolds" the surface to create a flat pattern or developement. I would be interested if there are any other lisp routines that do a similar thing. If you would like more...
